linux-kernel - Re: [PATCH v1 2/2] arm64: dts: qcom: qcs6490-rb3gen2: Enable CAN bus controller

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <n6affntgff5wy4xmm255v5h2ejpepicpz2cybcuvsxmry5td6u@jucskv7zrzvv>
Date: Thu, 8 Jan 2026 16:03:12 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Viken Dadhaniya <viken.dadhaniya@....qualcomm.com>
Cc: mkl@...gutronix.de, mani@...nel.org, thomas.kopp@...rochip.com,
        mailhol@...nel.org, robh@...nel.org, krzk+dt@...nel.org,
        conor+dt@...nel.org, andersson@...nel.org, konradybcio@...nel.org,
        linux-can@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        mukesh.savaliya@....qualcomm.com, anup.kulkarni@....qualcomm.com
Subject: Re: [PATCH v1 2/2] arm64: dts: qcom: qcs6490-rb3gen2: Enable CAN bus
 controller

On Thu, Jan 08, 2026 at 06:22:00PM +0530, Viken Dadhaniya wrote:
> Enable the MCP2518FD CAN controller on the QCS6490 RB3 Gen2 platform.
> The controller is connected via SPI3 and uses a 40 MHz oscillator.
> A GPIO hog for GPIO0 is included to configure the CAN transceiver in
> Normal mode during boot.

The main question is: what is so different between RB3 Gen2 and previous
RB boards which also incorporated this CAN controller? Are there any
board differences or is it that nobody tested the CAN beforehand?

> 
> Signed-off-by: Viken Dadhaniya <viken.dadhaniya@....qualcomm.com>
> ---
>  arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts | 30 ++++++++++++++++++++
>  1 file changed, 30 insertions(+)
> 

-- 
With best wishes
Dmitry